[squid-users] Re: RPS

From: GarethC <gareth_at_garethcoffey.com>
Date: Tue, 20 Mar 2012 09:25:57 -0700 (PDT)

Hi there,

As an example, I set up Squid 2.7 on a HP BL460c (4x Quad-core CPU, 24GB
RAM) with Redhat 5 running bonded NICs over a 2x 2G port channel to a Cisco
6509. It took several days of testing to get the Kernel tuned to be able to
handle a high rate of connections (things like tcp_max_syn_backlog,
tcp_tw_recycle, tcp_rmem, tcp_fin_timeout etc).
Squid was also tuned to maximise use of memory, as opposed to disk cache.

The maximum sustained connections achieved was in the region of ~2,000 conns
per second, and equated to ~980Mbps for a single server. The content that
was being requested was purely static html and images.

Hope that gives you some sort of view as to what is achievable.

Gareth

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Received on Tue Mar 20 2012 - 16:26:00 MDT

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